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C34000 Brass vs. C70260 Copper

Both C34000 brass and C70260 copper are copper alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C34000 brass and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 340 to 650
520 to 760

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 930
1060
Melting Onset (Solidus), °C 890
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 29
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 45
43
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11 to 22
16 to 24
Strength to Weight: Bending, points 13 to 21
16 to 21
Thermal Diffusivity, mm2/s 37
45
Thermal Shock Resistance, points 11 to 22
18 to 27

Alloy Composition

Copper (Cu), % 62 to 65
95.8 to 98.8
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0.8 to 1.5
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.2 to 0.7
Zinc (Zn), % 33 to 37.2
0
Residuals, % 0
0 to 0.5